package com.baizhi.dao;

import com.baizhi.pojo.User;

import java.util.List;

public interface UserDao {

    //增
    void insertUser();

    //删
    void deleteUserById();


    //改
    void updateUserById();

    //根据Id查询
    User selectUserById();

    //查询所有
    List<User> selectAllUser();

}
